visual basic, How to Bsave Screen 12 picture

JS
#1 / 7

How to Bsave Screen 12 picture

I want to know, how to BSAVE screen image of SCREEN 12 in QBasic to file,
and how to load it later.

Thanx

Thu, 27 Jul 2000 03:00:00 GMT

Don Schulli
#2 / 7

How to Bsave Screen 12 picture

Quote:

>I want to know, how to BSAVE screen image of SCREEN 12 in QBasic to file,
>and how to load it later.

Screen 12 requires more than 64k to display so you'll have to split the screen
into 3? files to get it all saved and restored. A real mess, hugh?

If you're using powerbasic I've got the code to save it plane by plane into
any BINARY file that is a bit faster (and easier to use) than BSAVE.

C'ya,

____ _ ____ ____ _____
| _ \ / \ / ___) __ | ___)(_ _)
| |_) / _ \ \____\/ \| _) | |
|____//_/ \_\(____/\__/|_| |_|

www.basicguru.com/schullian

Sat, 29 Jul 2000 03:00:00 GMT

Marc van den Dikkenbe
#3 / 7

How to Bsave Screen 12 picture

Quote:

>Screen 12 requires more than 64k to display so you'll have to split the screen
>into 3? files to get it all saved and restored. A real mess, hugh?

>If you're using PowerBASIC I've got the code to save it plane by plane into
>any BINARY file that is a bit faster (and easier to use) than BSAVE.

Hmmm!

Could you please forward me the code to read these planes?

I think I can adapt my PCX-saver for screen 12, once I know exactly where
to locate the various planes.

--
Marc van den Dikkenberg
-----------------------
The PowerBasic Archives
http://www.xs4all.nl/~excel/pb.html

Sun, 30 Jul 2000 03:00:00 GMT

Ric
#4 / 7

How to Bsave Screen 12 picture

Quote:

>>Screen 12 requires more than 64k to display so you'll have to split the screen
>>into 3? files to get it all saved and restored. A real mess, hugh?

>>If you're using PowerBASIC I've got the code to save it plane by plane into
>>any BINARY file that is a bit faster (and easier to use) than BSAVE.
>Hmmm!
>Could you please forward me the code to read these planes?
>I think I can adapt my PCX-saver for screen 12, once I know exactly where
>to locate the various planes.

Mark,

Haha. Must be nice. Those planes are not located in RAM but on your
videocard( like the videoRAM is btw). If you view a recursive
definition youre probably right...

Quote:

>--
>Marc van den Dikkenberg
>-----------------------
>The PowerBasic Archives
>http://www.xs4all.nl/~excel/pb.html

Well I guess I have to look that one up in my library called
deja news....

Rick

Sat, 05 Aug 2000 03:00:00 GMT

Marc van den Dikkenbe
#5 / 7

How to Bsave Screen 12 picture

Quote:

>>I think I can adapt my PCX-saver for screen 12, once I know exactly where
>>to locate the various planes.
>Mark,
>Haha. Must be nice. Those planes are not located in RAM but on your
>videocard( like the videoRAM is btw). If you view a recursive
>definition youre probably right...

Okay, I admit that this wasn't necesarily the right terminology.
I am fully aware that this data is stored the memory on the videocard,
starting at &HA000 in the global memory map.

When I was searching memory, I found the 'blue' plane at &HA000, but
couldn't find any of the others. I was unaware that the other planes could
be accessed at the very same location after some system calls.

(Since all the RAM / ROM / VideoRAM is thrown together in the global memory
map & addressing system, it's a thin line from a programmers point of view
anyway, I would say)

--
Marc van den Dikkenberg
-----------------------
The PowerBasic Archives
http://www.xs4all.nl/~excel/pb.html

Sun, 06 Aug 2000 03:00:00 GMT

Ric
#6 / 7

How to Bsave Screen 12 picture

Quote:

>>>I think I can adapt my PCX-saver for screen 12, once I know exactly where
>>>to locate the various planes.
>>Mark,
>>Haha. Must be nice. Those planes are not located in RAM but on your
>>videocard( like the videoRAM is btw). If you view a recursive
>>definition youre probably right...
>Okay, I admit that this wasn't necesarily the right terminology.
>I am fully aware that this data is stored the memory on the videocard,
>starting at &HA000 in the global memory map.
>When I was searching memory, I found the 'blue' plane at &HA000, but
>couldn't find any of the others. I was unaware that the other planes could
>be accessed at the very same location after some system calls.

Well there was one day when I was searching and I found a plane in my
kitchen ;(= . I wonder why it was all black..

Also I remember that someday when looking at "soldaat van Oranje"
we discovered they had only two planes flying circles like hell to
give the image of a real big attack on Arnheim..

Aach,.... provider shut me down[probably off topic..]

Rick

Quote:

>(Since all the RAM / ROM / VideoRAM is thrown together in the global memory
>map & addressing system, it's a thin line from a programmers point of view
>anyway, I would say)

Well we have to wait and see boot sectors from the on-forever
computers with win 98..

Quote:

>--
>Marc van den Dikkenberg
>-----------------------
>The PowerBasic Archives
>http://www.xs4all.nl/~excel/pb.html

Rick
[I like fishing far to much to let people fish on dry grounds...]

Thu, 10 Aug 2000 03:00:00 GMT

Don Schulli
#7 / 7

How to Bsave Screen 12 picture

Quote:

>Could you please forward me the code to read these planes?

>I think I can adapt my PCX-saver for screen 12, once I know exactly where
>to locate the various planes.

If I've got all my numbers right..

OUT &h03CE,4 ' VGA read
FOR P% = 3 TO 0 STEP -1 ' once for each plane
OUT &h03CF,P% ' set plane #
' READ 38400bytes from &hA000:0000 ' do it
NEXT '
OUT &h03C4,02 ' reset VGA
OUT &h03C4,15 '

____ _ ____ ____ _____
| _ \ / \ / ___) __ | ___)(_ _)
| |_) / _ \ \____\/ \| _) | |
|____//_/ \_\(____/\__/|_| |_|

www.basicguru.com/schullian

Sat, 12 Aug 2000 03:00:00 GMT